carlosandersonouob3s carlosandersonouob3s
  • 01-10-2018
  • Mathematics
contestada

The first term of an arithmetic sequence is -3 and the fifteenth term is 53 what is the common difference of the sequence

Respuesta :

ikarus ikarus
  • 06-10-2018

Solution

The 1st term = -3

15th term = 53

15th term = a + d(n-1)

53 = -3 + d(15- 1)                       [Here n = 15)

53 + 3 = d(14)

14d = 56

d = 4

The common difference is 4.

Answer Link

Otras preguntas

what are some powders that you might find on the kitchen floor
By 1914, which European nation had the most powerful navy?
What is 12^(2x-8)=15
how was the worl started
What is the volume of the prism that can be constructed from this net?
What happens before mitosis occurs
Sara can take no more than 22 pounds of luggage on a trip. Her suitcase weighs 112 ounces. How many more pounds can she pack without going over the limit?
During an experiment, three coins were tossed once. Part A: Give the sample space to show all possible outcomes for tossing three coins one time, using the let
unbiased implications of plagiarism
Who controlled the area of southern Italy prior to the unification of the country? A. Kingdom of the Two Sicilies B. Austrian Empire C. Papal States D. Kingdom